Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686398 | Additive for lubricant or fuel, lubricating oil composition or fuel composition containing it, and substituted hydroxyaromatic ester derivative | Tomiyasu Minokami, Hiroaki Koshima, Harutomo Ikeda | 1997-11-11 |
| 5326488 | Mannich reaction product and process for producing the same and use of the product | Tomiyasu Minokami, Hiroaki Koshima, Hirotaka Yamasaki | 1994-07-05 |